Fuel trim diagnostic puzzle for you

[Wilson01S]

Good call- I didn't catch the RPM.

Both banks are adding fuel (+LTFT %) to compensate for a long standing lean condition. The MAF is either reading more air than is actually passing through the TB, or you have an unmetered air leak.

Generally speaking cars run more rich in open loop as they are not relying on secondary o2 sensor data until the cats are warmed up. Its using the computers "best guess" based on MAF, IAT, etc then it will switch into closed loop and monitor the cats.

I still think you have something going on with an air leak or MAF issue